Windmill Pipe Attachment (open access)

Windmill Pipe Attachment

Patent for a windmill pipe attachment that is meant to close the vent opening of a windmill and drain from an opening of the user's choosing.
Date: December 30, 1919
Creator: Boerner, Fredrick W.
System: The Portal to Texas History
Water Tank Cut-Off (open access)

Water Tank Cut-Off

Patent for improvements on the devices controlling the flow of water in tanks. Development and use are within text; includes illustrations to demonstrate the object of the patent.
Date: December 11, 1917
Creator: Law, Eugene L.
System: The Portal to Texas History
Apparatus For Forming And Vulcanizing Rubberized Fabric And Rubber Tires. (open access)

Apparatus For Forming And Vulcanizing Rubberized Fabric And Rubber Tires.

Patent for an apparatus for "forming and vulcanizing rubberized fabric and rubber tires for use on vehicle and other wheels &c., &c.” (lines 13-16) including instructions and illustrations.
Date: December 8, 1914
Creator: Dees, Mark A.
System: The Portal to Texas History
Dental Appliance. (open access)

Dental Appliance.

Patent for a dental appliance attachment for a dental engine.
Date: December 9, 1913
Creator: Ballenger, Curtis M.
System: The Portal to Texas History